Electronic Sensor

Uses item details. Price when purchased online

Briidea Power Failure Outage Alarm for Freezer, with LED Indicator Lights and 80-120dB Adjustable Alarm, Perfect for Monitoring Refrigerators, Freezers, and Sewage From $19.99

Briidea Power Failure Outage Alarm for Freezer, with LED Indicator Lights and 80-120dB Adjustable Alarm, Perfect for Monitoring Refrigerators, Freezers, and Sewage
Sponsored
From$1999

Briidea Power Failure Outage Alarm for Freezer, with LED Indicator Lights and 80-120dB Adjustable Alarm, Perfect for Monitoring Refrigerators, Freezers, and Sewage

4.8 out of 5 Stars. 16 reviews

(2 pack) Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup $69.88 $34.94/ea

(2 pack) Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup
Sponsored
current price $69.88
$34.94/ea
From $34.94

(2 pack) Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup

4.2 out of 5 Stars. 128 reviews

Briidea Power Outage Alarm with LED Indicator Lights and 80-120dB Adjustable Alarm, Perfect for Monitoring Refrigerators, Freezers, and Sewage, 2 pack $39.99

Briidea Power Outage Alarm with LED Indicator Lights and 80-120dB Adjustable Alarm, Perfect for Monitoring Refrigerators, Freezers, and Sewage, 2 pack
Sponsored
current price $39.99

Briidea Power Outage Alarm with LED Indicator Lights and 80-120dB Adjustable Alarm, Perfect for Monitoring Refrigerators, Freezers, and Sewage, 2 pack

Inkird Home Radon Detector, Portable Radon Meter, Short-Term and Long-Term Accurate Monitoring 2-Year Battery,White From $81.75 Was $81.75

Inkird Home Radon Detector, Portable Radon Meter, Short-Term and Long-Term Accurate Monitoring 2-Year Battery,White
Sponsored
From$8175

Inkird Home Radon Detector, Portable Radon Meter, Short-Term and Long-Term Accurate Monitoring 2-Year Battery,White

4.4 out of 5 Stars. 21 reviews

Ecobee EB-RSHM2PK-01 Decibel Rating 1 Maximum Range 1 Range White Household Sensors and Alarms Smart Sensor 2 Pieces 2 Pack $123.66

Ecobee EB-RSHM2PK-01 Decibel Rating 1 Maximum Range 1 Range White Household Sensors and Alarms Smart Sensor 2 Pieces 2 Pack
current price $123.66

Ecobee EB-RSHM2PK-01 Decibel Rating 1 Maximum Range 1 Range White Household Sensors and Alarms Smart Sensor 2 Pieces 2 Pack

4.4 out of 5 Stars. 192 reviews

Best seller Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (8 Pcs) Home Alarm(Batteries not included) From $10.99

Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (8 Pcs) Home Alarm(Batteries not included)
Available in additional 2 options
From$1099

Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (8 Pcs) Home Alarm(Batteries not included)

3.8 out of 5 Stars. 232 reviews

Yolispa Multifunctional Wireless Driveway Alarm Outside Weatherproof Motion Sensor Alarm 1 Receiver 2 Transmitters with 38 Chimes 200m/656ft Transmission for Indoor Outdoor Use $22.99 Was $26.89

Yolispa Multifunctional Wireless Driveway Alarm Outside Weatherproof Motion Sensor Alarm 1 Receiver 2 Transmitters with 38 Chimes 200m/656ft Transmission for Indoor Outdoor Use
current price Now $22.99, Was $26.89

Yolispa Multifunctional Wireless Driveway Alarm Outside Weatherproof Motion Sensor Alarm 1 Receiver 2 Transmitters with 38 Chimes 200m/656ft Transmission for Indoor Outdoor Use

3.8 out of 5 Stars. 30 reviews

Best seller Fixdono Natural Gas Detector, Digital Sound Warning Gas Detector, Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse $17.99 Was $31.99

Fixdono Natural Gas Detector, Digital Sound Warning Gas Detector, Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse
current price Now $17.99, Was $31.99

Fixdono Natural Gas Detector, Digital Sound Warning Gas Detector, Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse

4.3 out of 5 Stars. 291 reviews

Best seller Bitiwend Door Alarm Sensor Bitiwend Wireless Door Chime Alert for Kids Safety Home (1 Receiver+3 Sensors)

Bitiwend Door Alarm Sensor Bitiwend Wireless Door Chime Alert for Kids Safety Home (1 Receiver+3 Sensors)

Bitiwend Door Alarm Sensor Bitiwend Wireless Door Chime Alert for Kids Safety Home (1 Receiver+3 Sensors)

4.1 out of 5 Stars. 135 reviews

Bitiwend, 16ft Black Motion Household Sensors & Alarms

Bitiwend, 16ft Black Motion Household Sensors & Alarms
Black, variant on Bitiwend, 16ft Black Motion Household Sensors & Alarms
gray 1 sensor+1 receiver, variant on Bitiwend, 16ft Black Motion Household Sensors & Alarms

Bitiwend, 16ft Black Motion Household Sensors & Alarms

4.1 out of 5 Stars. 88 reviews

YoLink Smart Power Fail Alarm & Hub Kit, Smart Home Starter Kit with AC Power Outage Alert, LoRa Long-Range, Remote Monitoring, App Alerts, Text/SMS, Email Alerts, Alexa, IFTTT, Google Assistant From $34.99

YoLink Smart Power Fail Alarm & Hub Kit, Smart Home Starter Kit with AC Power Outage Alert, LoRa Long-Range, Remote Monitoring, App Alerts, Text/SMS, Email Alerts, Alexa, IFTTT, Google Assistant
Sponsored
From$3499

YoLink Smart Power Fail Alarm & Hub Kit, Smart Home Starter Kit with AC Power Outage Alert, LoRa Long-Range, Remote Monitoring, App Alerts, Text/SMS, Email Alerts, Alexa, IFTTT, Google Assistant

4.8 out of 5 Stars. 12 reviews

Natural Gas Detector, Digital Sound Warning Gas Detector, LCD/LPG/LNG Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse $22.99 Was $26.89

Natural Gas Detector, Digital Sound Warning Gas Detector, LCD/LPG/LNG Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse
Sponsored
current price Now $22.99, Was $26.89

Natural Gas Detector, Digital Sound Warning Gas Detector, LCD/LPG/LNG Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse

4.5 out of 5 Stars. 2 reviews

Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black From $13.58

Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black
From$1358

Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black

4.1 out of 5 Stars. 116 reviews

Portable Motion Sensor Alarm And Entrance Alert Chime With 90dB Siren Sound $14.50

Portable Motion Sensor Alarm And Entrance Alert Chime With 90dB Siren Sound
current price $14.50

Portable Motion Sensor Alarm And Entrance Alert Chime With 90dB Siren Sound

4.2 out of 5 Stars. 23 reviews

Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office

Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office

Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office

4.7 out of 5 Stars. 7 reviews

PENDALI Driveway Alarm Wireless, Solar Outdoor Motion Sensor, Weatherproof 700 ft Long Range, 1 Receiver and 1 Sensor for Home, Yard, Gate and Farm $32.99 Was $39.99

PENDALI Driveway Alarm Wireless, Solar Outdoor Motion Sensor, Weatherproof 700 ft Long Range, 1 Receiver and 1 Sensor for Home, Yard, Gate and Farm
current price Now $32.99, Was $39.99

PENDALI Driveway Alarm Wireless, Solar Outdoor Motion Sensor, Weatherproof 700 ft Long Range, 1 Receiver and 1 Sensor for Home, Yard, Gate and Farm

4.4 out of 5 Stars. 173 reviews

Best seller Entry Sensor - Window and Door Protection - Compatible with Gen 3 Home Security System $41.60 Was $49.99 $10.40/ea

Entry Sensor - Window and Door Protection - Compatible with Gen 3 Home Security System
current price Now $41.60, Was $49.99
$10.40/ea

Entry Sensor - Window and Door Protection - Compatible with Gen 3 Home Security System

4.6 out of 5 Stars. 34 reviews

Entry Sensor $13.49 Was $14.99

Entry Sensor
current price Now $13.49, Was $14.99

Entry Sensor

4.7 out of 5 Stars. 77 reviews

Best seller GasKnight Natural Gas Detector & Propane Detector. Natural Gas Leak Detection and Monitor for Home, Kitchen, Camper, Trailer or RV. Plug-In Gas Leak Sensor for LPG, LNG, Methane & Butane Gases From $21.99

GasKnight Natural Gas Detector & Propane Detector. Natural Gas Leak Detection and Monitor for Home, Kitchen, Camper, Trailer or RV. Plug-In Gas Leak Sensor for LPG, LNG, Methane & Butane Gases
Available in additional 2 options
From$2199

GasKnight Natural Gas Detector & Propane Detector. Natural Gas Leak Detection and Monitor for Home, Kitchen, Camper, Trailer or RV. Plug-In Gas Leak Sensor for LPG, LNG, Methane & Butane Gases

4.7 out of 5 Stars. 60 reviews

Honeywell Home Smart Room Sensor Designed for the T9 Series Thermostat $31.99 Was $39.99

Honeywell Home Smart Room Sensor Designed for the T9 Series Thermostat
current price Now $31.99, Was $39.99

Honeywell Home Smart Room Sensor Designed for the T9 Series Thermostat

4 out of 5 Stars. 26 reviews

Vivnt Recessed Door Contact Sensor VS-DW2100-345 $17.95 Was $19.95

Vivnt Recessed Door Contact Sensor VS-DW2100-345
Sponsored
current price Now $17.95, Was $19.95

Vivnt Recessed Door Contact Sensor VS-DW2100-345

Room Alert 12S Proactive Environment Monitor – Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA $779.00

Room Alert 12S Proactive Environment Monitor – Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA
Sponsored
current price $779.00

Room Alert 12S Proactive Environment Monitor – Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA

XIHAMA 25-80dB, 100 meters Motion Household Sensor & Alarm 5 Pieces $32.92

XIHAMA 25-80dB, 100 meters Motion Household Sensor & Alarm 5 Pieces
current price $32.92

XIHAMA 25-80dB, 100 meters Motion Household Sensor & Alarm 5 Pieces

4.5 out of 5 Stars. 19 reviews

C by GE Wire-Free Motion Smart Sensor, Battery Powered Motion Sensor, Bluetooth, Ambient Light Detection, White, 1-Pack $19.00 Was $24.99

C by GE Wire-Free Motion Smart Sensor, Battery Powered Motion Sensor, Bluetooth, Ambient Light Detection, White, 1-Pack
current price Now $19.00, Was $24.99

C by GE Wire-Free Motion Smart Sensor, Battery Powered Motion Sensor, Bluetooth, Ambient Light Detection, White, 1-Pack

4.2 out of 5 Stars. 49 reviews

Clearance Smart WiFi Door & Window Sensor - Wireless Home Security Entry Detector with Real-Time Message Notifications, Ideal for Monitoring Door/Window Open Status in Smart Homes $5.89 Was $6.99

Smart WiFi Door & Window Sensor - Wireless Home Security Entry Detector with Real-Time Message Notifications, Ideal for Monitoring Door/Window Open Status in Smart Homes
current price Now $5.89, Was $6.99

Smart WiFi Door & Window Sensor - Wireless Home Security Entry Detector with Real-Time Message Notifications, Ideal for Monitoring Door/Window Open Status in Smart Homes

LINKPAL Wireless Home Security Driveway Alarm, Motion Sensor Detect Alert with 2 PIR $18.98

LINKPAL Wireless Home Security Driveway Alarm, Motion Sensor Detect Alert with 2 PIR
current price $18.98

LINKPAL Wireless Home Security Driveway Alarm, Motion Sensor Detect Alert with 2 PIR

3.9 out of 5 Stars. 41 reviews

Google Temp Sensor (1pk) 2nd Gen $39.98

Google Temp Sensor (1pk) 2nd Gen
current price $39.98

Google Temp Sensor (1pk) 2nd Gen

4.7 out of 5 Stars. 19 reviews

eMACROS Wireless Outdoor Motion Detection Driveway Alarm, 500 FT Range, Weatherproof Home Security System From $12.99

eMACROS Wireless Outdoor Motion Detection Driveway Alarm, 500 FT Range, Weatherproof Home Security System
Available in additional 3 options
From$1299

eMACROS Wireless Outdoor Motion Detection Driveway Alarm, 500 FT Range, Weatherproof Home Security System

4 out of 5 Stars. 65 reviews

Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm From $34.99

Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm
Brown, variant on Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm
1 receiver 1 brown sensor, variant on Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm
From$3499

Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm

4.5 out of 5 Stars. 96 reviews

Eve Motion (Matter) - Smart motion sensor with light sensor, Thread $38.46 Was $59.96

Eve Motion (Matter) - Smart motion sensor with light sensor, Thread
current price Now $38.46, Was $59.96

Eve Motion (Matter) - Smart motion sensor with light sensor, Thread

FOUR E's Scientific Sump Alarm, High Water Alarm for Sump Pump & Septic Water, Weatherproof 110dB Audible Alarm with Float Switch for Indoor Use $37.98

FOUR E's Scientific Sump Alarm, High Water Alarm for Sump Pump & Septic Water, Weatherproof 110dB Audible Alarm with Float Switch for Indoor Use
Sponsored
current price $37.98

FOUR E's Scientific Sump Alarm, High Water Alarm for Sump Pump & Septic Water, Weatherproof 110dB Audible Alarm with Float Switch for Indoor Use

Best seller GasKnight Natural Gas Detector & Propane Detector. Natural Gas Leak Detection and Monitor for Home, Kitchen, Camper, Trailer or RV. Plug-In Gas Leak Sensor for LPG, LNG, Methane & Butane Gases From $21.99

GasKnight Natural Gas Detector & Propane Detector. Natural Gas Leak Detection and Monitor for Home, Kitchen, Camper, Trailer or RV. Plug-In Gas Leak Sensor for LPG, LNG, Methane & Butane Gases
Sponsored
From$2199

GasKnight Natural Gas Detector & Propane Detector. Natural Gas Leak Detection and Monitor for Home, Kitchen, Camper, Trailer or RV. Plug-In Gas Leak Sensor for LPG, LNG, Methane & Butane Gases

4.7 out of 5 Stars. 60 reviews

Smart WiFi Door and Window Sensor, No Hub Required Wireless Contact Sensor with App Alerts, Compatible with Alexa & Google Assistant(Black, Battery Not Included)

Smart WiFi Door and Window Sensor, No Hub Required Wireless Contact Sensor with App Alerts, Compatible with Alexa & Google Assistant(Black, Battery Not Included)
Black, variant on Smart WiFi Door and Window Sensor, No Hub Required Wireless Contact Sensor with App Alerts, Compatible with Alexa & Google Assistant(Black, Battery Not Included)
White, variant on Smart WiFi Door and Window Sensor, No Hub Required Wireless Contact Sensor with App Alerts, Compatible with Alexa & Google Assistant(Black, Battery Not Included)

Smart WiFi Door and Window Sensor, No Hub Required Wireless Contact Sensor with App Alerts, Compatible with Alexa & Google Assistant(Black, Battery Not Included)

YoLink LoRa Smart Vibration Sensor; Smart Shock, Glass Break, Tamper, Movement Detector, Generator Running, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, Hub is not Included From $24.59

YoLink LoRa Smart Vibration Sensor; Smart Shock, Glass Break, Tamper, Movement Detector, Generator Running, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, Hub is not Included
With Hub, variant on YoLink LoRa Smart Vibration Sensor; Smart Shock, Glass Break, Tamper, Movement Detector, Generator Running, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, Hub is not Included
Without Hub, variant on YoLink LoRa Smart Vibration Sensor; Smart Shock, Glass Break, Tamper, Movement Detector, Generator Running, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, Hub is not Included
From$2459

YoLink LoRa Smart Vibration Sensor; Smart Shock, Glass Break, Tamper, Movement Detector, Generator Running, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, Hub is not Included

4.7 out of 5 Stars. 7 reviews

Simplisafe MOTION SENSOR White CA001 GEN2 $19.99

Simplisafe MOTION SENSOR White CA001 GEN2
current price $19.99

Simplisafe MOTION SENSOR White CA001 GEN2

UDIYO Wireless Driveway Alarm Alert System Security Garage Intruder PIR Motion Sensor From $16.91

UDIYO Wireless Driveway Alarm Alert System Security Garage Intruder PIR Motion Sensor
1#, variant on UDIYO Wireless Driveway Alarm Alert System Security Garage Intruder PIR Motion Sensor
2#, variant on UDIYO Wireless Driveway Alarm Alert System Security Garage Intruder PIR Motion Sensor
3#, variant on UDIYO Wireless Driveway Alarm Alert System Security Garage Intruder PIR Motion Sensor
From$1691

UDIYO Wireless Driveway Alarm Alert System Security Garage Intruder PIR Motion Sensor

1.7 out of 5 Stars. 6 reviews

Kqiang 360 Solar Outdoor Motion Sensor Alarm, Dual Working Modes,Custom Recording for Farm Security $22.99

Kqiang 360 Solar Outdoor Motion Sensor Alarm,  Dual Working Modes,Custom Recording for Farm Security
current price $22.99

Kqiang 360 Solar Outdoor Motion Sensor Alarm, Dual Working Modes,Custom Recording for Farm Security

4.2 out of 5 Stars. 6 reviews

CPVan Motion Sensor Alarm, 125dB, 328ft Range White PIR Motion Detector

CPVan Motion Sensor Alarm, 125dB, 328ft Range White PIR Motion Detector
Black, variant on CPVan Motion Sensor Alarm, 125dB, 328ft Range White PIR Motion Detector
White, variant on CPVan Motion Sensor Alarm, 125dB, 328ft Range White PIR Motion Detector

CPVan Motion Sensor Alarm, 125dB, 328ft Range White PIR Motion Detector

4 out of 5 Stars. 29 reviews

Upgraded Smart WiFi Motion Sensor Detector Alarm Indoor with Siren, Phone App, USB Power, Alert Recording, Scheduled Working Times - Infrared Motion Sensor Alarm for Home Garage $22.88

Upgraded Smart WiFi Motion Sensor Detector Alarm Indoor with Siren, Phone App, USB Power, Alert Recording, Scheduled Working Times - Infrared Motion Sensor Alarm for Home Garage
current price $22.88

Upgraded Smart WiFi Motion Sensor Detector Alarm Indoor with Siren, Phone App, USB Power, Alert Recording, Scheduled Working Times - Infrared Motion Sensor Alarm for Home Garage

M Buder Smart Wireless Human Body Motion Sensor with Light Intensity Detector, 360-Degree Rotation Holder, 23 Feet Range, ZigBee Compatible for Indoor Home Security $25.53

M Buder Smart Wireless Human Body Motion Sensor with Light Intensity Detector, 360-Degree Rotation Holder, 23 Feet Range, ZigBee Compatible for Indoor Home Security
current price $25.53

M Buder Smart Wireless Human Body Motion Sensor with Light Intensity Detector, 360-Degree Rotation Holder, 23 Feet Range, ZigBee Compatible for Indoor Home Security

EXLEAF Driveway Alarm Wireless Outside,Motion Sensor Alarm 1000ft/300m Range Extra Loud Chimes Security Alarm System with 1 Receiver 2 Weatherproof Infrared Sensors Protect Property $25.02

EXLEAF Driveway Alarm Wireless Outside,Motion Sensor Alarm 1000ft/300m Range Extra Loud Chimes Security Alarm System with 1 Receiver 2 Weatherproof Infrared Sensors Protect Property
current price $25.02

EXLEAF Driveway Alarm Wireless Outside,Motion Sensor Alarm 1000ft/300m Range Extra Loud Chimes Security Alarm System with 1 Receiver 2 Weatherproof Infrared Sensors Protect Property

4 out of 5 Stars. 2 reviews

Aqara Motion Sensor - ZigBee Wireless Smart Human Body Detector for Mijia, Mi Home, and Apple HomeKit | Smart Home Automation From $23.90

Aqara Motion Sensor - ZigBee Wireless Smart Human Body Detector for Mijia, Mi Home, and Apple HomeKit | Smart Home Automation
1 Pcs, variant on Aqara Motion Sensor - ZigBee Wireless Smart Human Body Detector for Mijia, Mi Home, and Apple HomeKit | Smart Home Automation
2 Pcs, variant on Aqara Motion Sensor - ZigBee Wireless Smart Human Body Detector for Mijia, Mi Home, and Apple HomeKit | Smart Home Automation
3 Pcs, variant on Aqara Motion Sensor - ZigBee Wireless Smart Human Body Detector for Mijia, Mi Home, and Apple HomeKit | Smart Home Automation
From$2390

Aqara Motion Sensor - ZigBee Wireless Smart Human Body Detector for Mijia, Mi Home, and Apple HomeKit | Smart Home Automation

Geeni Smart WiFi Water Leak Detector & Sensor, 80dB Alarm for Basement, Kitchen, Bathroom, White $14.99

Geeni Smart WiFi Water Leak Detector & Sensor, 80dB Alarm for Basement, Kitchen, Bathroom, White
current price $14.99

Geeni Smart WiFi Water Leak Detector & Sensor, 80dB Alarm for Basement, Kitchen, Bathroom, White

4.3 out of 5 Stars. 7 reviews

YOLINK LoRa Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Range, Alexa, IFTTT, Home Assistant (Hub Required) $24.99

YOLINK LoRa Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Range, Alexa, IFTTT, Home Assistant (Hub Required)
current price $24.99

YOLINK LoRa Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Range, Alexa, IFTTT, Home Assistant (Hub Required)

4 out of 5 Stars. 4 reviews

eMACROS Solar Wireless Motion Sensor and Alarm, 1/2 Mile Range, Outdoor Waterproof Coverage

eMACROS Solar Wireless Motion Sensor and Alarm, 1/2 Mile Range, Outdoor Waterproof Coverage
1 receiver, variant on eMACROS Solar Wireless Motion Sensor and Alarm, 1/2 Mile Range, Outdoor Waterproof Coverage
1 receiver with 1 sensor, variant on eMACROS Solar Wireless Motion Sensor and Alarm, 1/2 Mile Range, Outdoor Waterproof Coverage
1 receiver with 2 sensors, variant on eMACROS Solar Wireless Motion Sensor and Alarm, 1/2 Mile Range, Outdoor Waterproof Coverage
1 receiver with 3 sensors, variant on eMACROS Solar Wireless Motion Sensor and Alarm, 1/2 Mile Range, Outdoor Waterproof Coverage

eMACROS Solar Wireless Motion Sensor and Alarm, 1/2 Mile Range, Outdoor Waterproof Coverage

4.8 out of 5 Stars. 11 reviews

Homezone Wi-Fi Smart Wireless Window/Door Alarm Sensor, White, 1 Alarm Included From $19.97

Homezone Wi-Fi Smart Wireless Window/Door Alarm Sensor, White, 1 Alarm Included
Available in additional 2 options
From$1997

Homezone Wi-Fi Smart Wireless Window/Door Alarm Sensor, White, 1 Alarm Included

4.2 out of 5 Stars. 37 reviews

Driveway Alarm 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor-DIY Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use $24.99

Driveway Alarm 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor-DIY Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use
current price $24.99

Driveway Alarm 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor-DIY Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use

3.8 out of 5 Stars. 98 reviews

3 Packs Smart WiFi Door Sensor Alarm System with Remote APP Alerts 10 Chimes DIY Security for Home Office Pet Safety 2.4GHz Wireless Expandable up to 100 Devices From $22.67

3 Packs Smart WiFi Door Sensor Alarm System with Remote APP Alerts 10 Chimes DIY Security for Home Office Pet Safety 2.4GHz Wireless Expandable up to 100 Devices
Available in additional 2 options
From$2267

3 Packs Smart WiFi Door Sensor Alarm System with Remote APP Alerts 10 Chimes DIY Security for Home Office Pet Safety 2.4GHz Wireless Expandable up to 100 Devices

5 out of 5 Stars. 1 reviews

New HC-SR501 Small PIR Sensor Module Pyroelectric Infrared Body Motion Sensing-1pc $3.48

New HC-SR501 Small PIR Sensor Module Pyroelectric Infrared Body Motion Sensing-1pc
current price $3.48

New HC-SR501 Small PIR Sensor Module Pyroelectric Infrared Body Motion Sensing-1pc

4.3 out of 5 Stars. 3 reviews

Eve Door & Window (Matter) Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread $31.80

Eve Door & Window (Matter)  Smart contact sensor for doors & windows, open/closed state,  automatic control of accessories, notifications, Thread
current price $31.80

Eve Door & Window (Matter) Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread

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